12626555465 has 4 divisors (see below), whose sum is σ = 15151866564. Its totient is φ = 10101244368.

The previous prime is 12626555443. The next prime is 12626555483. The reversal of 12626555465 is 56455562621.

12626555465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5980392889 + 6646162576 = 77333^2 + 81524^2 .

It is a cyclic number.

It is not a de Polignac number, because 12626555465 - 2¹² = 12626551369 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1262655542 + ... + 1262655551.

It is an arithmetic number, because the mean of its divisors is an integer number (3787966641).

Almost surely, 2^12626555465 is an apocalyptic number.

It is an amenable number.

12626555465 is a deficient number, since it is larger than the sum of its proper divisors (2525311099).

12626555465 is an equidigital number, since it uses as much as digits as its factorization.

12626555465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2525311098.

The product of its digits is 2160000, while the sum is 47.

The spelling of 12626555465 in words is "twelve billion, six hundred twenty-six million, five hundred fifty-five thousand, four hundred sixty-five".